Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC5YCO callsign genealogy
Currently held by McDonald, Corey P
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KC5YCO's current licensee, walking backwards.
- McDonald, Corey PCOgranted 2020-05-28cancelled 2020-06-16
Successor callsigns
Callsigns held now by people who previously held KC5YCO.
- McDonald, Corey PCOgranted 2024-02-13
All historical holders
Every license row we've seen with the callsign KC5YCO, oldest first.
- MCDONALD, COREY P NM2006-11-21 → cancelled 2018-12-04
- McDonald, Corey P CO2020-06-16 → cancelled 2024-02-13